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HELP!!
by
96jetta
on 06 Dec, 2008 09:08
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i changed the head guasket and the timing belt plus the tentioner, every thing is on perfect mark but it still doesnt run like it did at all (if it runs at all). as muchas i play with timing and pull every thing apart it still doesnt like life is there any one in the cambridge kitchener/waterloo area that could give me a hand?
thanks Geoff
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#1
by
TurboJ
on 06 Dec, 2008 09:37
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How about injection pump timing?
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#2
by
jtanguay
on 06 Dec, 2008 10:59
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you could always time it by ear... i think its even possible to loosen the injection pump bolts and time it while the engine is running... either that or you need to loosen bolts, move pump, tighten and start and repeat as necessary.
you can get the car running pretty good that way... enough to drive it to someone who knows how to do it right. just keep an eye on smoke...
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#3
by
vwt4
on 06 Dec, 2008 11:08
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i changed the head guasket and the timing belt plus the tentioner, every thing is on perfect mark but it still doesnt run like it did at all (if it runs at all). as muchas i play with timing and pull every thing apart it still doesnt like life is there any one in the cambridge kitchener/waterloo area that could give me a hand?
thanks Geoff
Did you remove the head bolts in the correct sequence?..if not your head may be warped :/
Did you check the head wasnt warped?
Did you use new bolts and tighten them correctly?
As someone else said, IP timing. Is it set correctly?
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#4
by
96jetta
on 06 Dec, 2008 11:26
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ya the head was torqued down in the pattern given in the book. but the original bolts were used and the head was never checked for warpage. i also played with the injection pump to get the timing right but it just pours out white or gray smoke
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#5
by
g-spec
on 06 Dec, 2008 11:34
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The bolts are one time use...they stretch. I would replace them.
As for the head I would get it checked if its warped and I would get it planed at a machine shop. As for the not running right....you need a special guage to set the timing on the injection pump.
Check to see if you have pressure building up in the coolant system.
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#6
by
Jet A
on 06 Dec, 2008 11:36
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White or gray smoke is an indication of un burnt diesel. injected to late in the combustion cycle. That to me indicates you have the timing inccorrect, and could posibly have either the timing belt off a tooth, or the injectors are out of tune.
When i was diagnosing my rough start problem after a pump install, i pulle dof the exhaust mani, and watched each cylinder, found out one cylinder had a bad injector and was blowing white smoke.
I would say make sure you get that baby set up as close as possible, and then timing it by ear.
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#7
by
Vincent Waldon
on 06 Dec, 2008 12:02
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#8
by
96jetta
on 06 Dec, 2008 12:03
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is there a way to teat the injectors? or injection pump? to make sure the timing on them is ok?
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#9
by
Vincent Waldon
on 06 Dec, 2008 12:10
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Follow the timing procedure and it will be correct. :wink:
If you didn't have injector issues before you swapped headgaskets it's unlikely that that is the issue now.
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#10
by
96jetta
on 06 Dec, 2008 12:27
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is it at all likely that the compression is low and i need to do the rings? :cry:
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#11
by
Vincent Waldon
on 06 Dec, 2008 12:37
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Let's start with: why did you replace the headgasket in the first place, and how was the engine running *before* you did the work ?
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#12
by
96jetta
on 06 Dec, 2008 13:17
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it was running fine but i dstroyed 2 of 8 lifters in the head so i pulled the head to make sure i didnt bend the valves of smash the pistons. which i didnt. and i put all new lifters in the head. i did put a 3 hole guasket on instead of the origional 2 hole. and it hasnt been right since. its been timed and timed over and over again
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#13
by
mattbondy
on 06 Dec, 2008 13:55
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How did you destroy the two lifters? Significant change in valve timing resulting in valve-piston contact? If that is the case it might be possible that the valves are not okay.
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#14
by
Smokey Eddy
on 06 Dec, 2008 16:55
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you could always time it by ear... i think its even possible to loosen the injection pump bolts and time it while the engine is running... either that or you need to loosen bolts, move pump, tighten and start and repeat as necessary.
you can get the car running pretty good that way... enough to drive it to someone who knows how to do it right. just keep an eye on smoke...
I have done the method of loosening the pump and doing that.
It worked although it is credited as being "hill billy timing"
